diff options
Diffstat (limited to 'src/physics.c')
| -rw-r--r-- | src/physics.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/src/physics.c b/src/physics.c index 4432dee..cbcc977 100644 --- a/src/physics.c +++ b/src/physics.c @@ -1,9 +1,57 @@ // physics.c #include <raylib.h> +#include <time.h> #include "physics.h" #include "common.h" -void register_new_object(object_t* world, u32 object_x, u32 object_y) + +void init_physics(object_t* world, uint32_t max_objs) { - world + for(uint32_t iter = 0; iter < max_objs; iter++) world[iter].registered = false; } + +void update_physics(object_t* world, uint32_t objs_count, float gravity, + float damping, float dt) +{ + const uint32_t screen_width = GetScreenWidth(); + const uint32_t screen_height = GetScreenHeight(); + for(uint32_t iter = 0; iter < objs_count; iter++) + { + object_t* obj = &world[iter]; + if(!obj->grabbed) { + obj->pos.x += obj->vel.x * dt; + obj->pos.y += obj->vel.y * dt; + + if((obj->pos.x + obj->size_x >= screen_width)) { + obj->pos.x = screen_width - obj->size_x; + obj->vel.x = -obj->vel.x * obj->elast; + } else if((obj->pos.x - obj->size_x) <= 0) { + obj->pos.x = obj->radius; + obj->vel.x = -obj->vel.x * obj->elast; + } else if((obj->pos.y + obj->size_y) >= screen_height) { + obj->pos.y = screen_height - obj->size_y; + obj->vel.y = -obj->vel.y * obj->elast; + } else if((obj->pos.y - obj->size_y) <= 0) { + obj->pos.y = obj->size_y; + obj->vel.y -obj->vel.y * obj->elast; + } + + obj->vel.x = obj->vel.x * obj->frict; + obj->vel.y = obj->vel.y * obj->frict * gravity; + } + } + +/* void apply_force(object_t* obj, Vector2 force) */ +/* { */ +/* if(obj->registered == true) { */ +/* obj->force = Vector2Add(body->force, force) */ + +/* } */ +/* } */ + +/* void add_object(object_t* world, uint32_t* count, object_type_t type, Vector2 pos) */ +/* { */ +/* world */ +/* } */ +/* void clear_all_physics(object_t* world, uint32_t* count); */ + void push_pos(object_t* world, uint32_t count, Vector2 pos, float radius, float strength); |